- A2 style dual aperture fully protected from accidental damage.
- Thick rugged pivot ears, twice as thick as the competition.
- A locking detent with double the locking surface, for maximum strength.
- A lock detent button with stepped down turns, to provide a surface you can grab onto, if your hands are muddy or wet.
- Made from 6061 aluminum, and mil-spec hard coat anodizing, to stand up to the most extreme conditions.
- Same style wind age knob as on the standard M-16
- Package includes allen wrench for installation.